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A man reacts as he receives a shot of the AstraZeneca vaccine for COVID-19 during a mass vaccination for retail workers at a stadium in Jakarta, Indonesia, Tuesday, June 15, 2021.

Two doses of AstraZeneca vaccine has 92% protection against hospitalisation with delta variant

In the case of Pfizer vaccine, the protection against hospitalisation was 94% after one dose and 96% after two doses.

The Long March-2F Y12 rocket carrying the Shenzhou-12 spacecraft is transferred to the launch pad at Jiuquan Satellite Launch Center in Gansu province, China June 9, 2021

'Divine Vessel' to mark China's first human spaceflight since 2016

This September 11, 2020, image courtesy of Teruhiko Wakayama, University of Yamanashi, shows healthy offspring and next generation of mice derived from space preserved spermatozoa.

Mouse sperm stored on International Space Station produces healthy offspring

AFP Solar flares from the surface of the Sun generate particles that can have particularly devastating impacts on human health and penetrate current generation spaceships.

Digital divide: With technology-driven solutions to get registered, the gap widens and puts poor, vulnerable, rural and marginalised at the end of vaccine access.

Will 25% vaccines for private hospitals aggravate inequity?

R. Prasad On June 7, when India announced a reversal of vaccine procurement to a system of centralised procurement with free vaccines to be provided for the 18–44 age group, it allowed 25% of vaccine procurement exclusively by the private sector.

Editor's Pick

Reconstructed fossil: Bharitalasuchus tapani were approximately the size of an adult male lion and might have been the largest predators in their ecosystems.

Meet Bharitalasuchus tapani, a carnivorous reptile that lived 240 million years ago

Aswathi Pacha The Indian fossil specimen was not studied earlier because it was not as complete as the specimens found in other countries

A molecular view of SARS-CoV-2, the novel coronavirus

D. Balasubramanian

How scientists make out the difference between variants of a virus

A health worker administers coronavirus vaccine during a vaccination drive in Bengaluru. (Photo for representation)

Two doses of COVID-19 vaccine offer 77% protection against hospitalisation, CMC Vellore study finds

R. Prasad The study found that even a single dose of COVID-19 vaccine offered significantly high protection against both infection and hospitalisation.

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Worldview with Suhasini Haidar | Origins of COVID-19

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Two doses of AstraZeneca vaccine have 92% protection against hospitalisation with delta variant

'Divine Vessel' to mark China's first human spaceflight since 2016

India’s investment in research unsatisfactory: UNESCO report

Mouse sperm stored on International Space Station produces healthy offspring

Trip to space with Jeff Bezos sells for $28 million

‘Operation Olivia’ to the rescue of Olive Ridleys

Question Corner: Why do some corals withstand climate change better than others?

Readers may send their questions/answers to questioncorner@thehindu.co.in

A molecular view of SARS-CoV-2, the novel coronavirus

How scientists make out the difference between variants of a virus

Will 25% COVID-19 vaccines for private hospitals aggravate inequity?

On June 7, when India announced a reversal of vaccine procurement to a system of centralised procurement with free vaccines to be provided for the 18–44 age group, it allowed 25% of vaccine procurement exclusively by the private sector.

Meet Bharitalasuchus tapani, a carnivorous reptile that lived 240 million years ago

The Indian fossil specimen was not studied earlier because it was not as complete as the specimens found in other countries

Two doses of COVID-19 vaccine offer 77% protection against hospitalisation, CMC Vellore study finds

The study found that even a single dose of COVID-19 vaccine offered significantly high protection against both infection and hospitalisation.

In photos: Rover leaves 'China's imprint' on Mars

China is the second country to land and operate a spacecraft on Mars, after the United States.

CHIME telescope yields unprecedented results

Scientific collaboration detects more than 500 mysterious fast radio bursts in its first year of operation

All about differences: The Hindu Science Quiz

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

New low-cost sensor to detect COVID-19 in wastewater

The researchers found that the sensor was able to detect the genetic material at concentrations as low as 10 picograms per microlitre

Tiny worm comes back to life after 24,000 years in Siberian deep freeze

Previous research suggested it could survive for a decade when frozen at -20 degrees Celsius

Explosive secret of volcanoes

Volcanoes that for millennia have erupted a certain way have the ability to undergo unexpected changes

CCMB scientists discover new enzyme for cell stability

The Centre for Cellular and Molecular Biology (CCMB) scientists here have discovered an enzyme that helps maintain the stability and integrity of cell

Best from science journals: Decoding northern lights

Here are some of the most interesting research papers to have appeared in top science journals last week.

Carbon dioxide in the air at highest level since measurements began

The amount of carbon in the air now is as much as it was about 4 million years ago

Comment | COVAX is failing to halt the COVID-19 pandemic: here’s why, and how to fix it

COVAX is one of three pillars of the initiative known as the Access to COVID-19 Tools (ACT) Accelerator, which was launched in April 2020.

Anaemia higher among rural poor, iron deficiency afflicts urban rich

Solutions focusing merely on increasing iron intake not enough, shows study

Meet A.cooperensis, Australia's largest dinosaur

The skeleton first went on display to the public in 2007

Covaxin offers protection against beta and delta variants, says study

The study was carried out by researchers from National Institute of Virology, ICMR and Bharat Biotech.

Scientists saving endangered salmon get help from gene-slicing tool

Sherlock, which stands for Specific High-sensitivity Enzymatic Reporter Unlocking, identifies the fish using their genomic sequence

The science behind GM crops

More than 10% of the world’s crop land grow Genetically Modified crops or GM crops. Scientists around the world have been asserting that GM crops can solve the world’s hunger problem. Still concerns about health and environment prevail. What are GM crops and what are their merits and demerits? Let’s find out...

Study points to pileup of biomedical waste

Over two lakh kilograms of biomedical waste was generated each day last month by hospitals in India dealing with COVID-19 patients, a new report

Emergence of order from chaos in turbulent systems and Bose-Einstein condensation

This ordering leads to aeroelastic flutter and thermoacoustic instabilities as observed during the failure of the F1 engine of Apollo rocket during trials

Question Corner | Do elephants breathe and drink using their trunks?

Readers may send their questions/answers to questioncorner@thehindu.co.in

Coronavirus | The need to stay prepared for multiple waves and variants

The slow down in daily cases has been mainly due to strict lockdowns in many States.

How to recover from a spinal cord injury

It is well known that mammals including humans show a high capacity for brain and spinal cord regeneration but only during young ages.

Shrinking giants: North Atlantic right whales getting tinier

“This isn’t about ‘short’ right whales, it’s about a physical manifestation of a physiological problem, it’s the chest pain before the heart attack,” said Regina Asmutis-Silvia, executive director of Whale and Dolphin Conservation North America

More deforestation and less rain threaten Brazilian agribusiness: study

The new study looked at rainfall changes between 1999 and 2019 in the southern Brazilian Amazon as a model for future rainfall shifts

Virgin Galactic to fly researcher to space for conducting experiments

The first experiment conducted by Gerardi will involve "astro skin," in which sensors are placed under her flight suit to collect biometric data

Delta among several coronavirus variants found in Varanasi

Study by CCMB and BHU found that the B.1.617.2 variant was found among 36% of the total samples; the B.1.351, detected in South Africa for the first time, was also found in this area

PM hails Indian scientists for developing vaccine against COVID-19

Mr. Modi said India wants to be self-reliant in a number of sectors.

Minimal intervention, maximum learning

Children could well learn more from their squabbles if adults reduce their intervention to a bare minimum

Prior infection cuts COVID-19 infection risk for up to 10 months: Lancet study

The research looked at rates of COVID-19 infections among over 2,000 care home residents and staff in England.

From nanosphere to Nobel Prize: The Hindu Science Quiz

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

New geometrical lines discovered in Thar Desert

The authors also suggest that the lines could be contemporary with the neighbouring memorial stones

Know the scientist: Joseph Lister

Lister is one of the two surgeons in the United Kingdom who have the honour of having a public monument in London

NASA plans two new missions to Venus, its first in decades

Scientists believe Venus may once have harbored seas of water potentially suitable for life, before unknown forces triggered its extreme greenhouse effect, vaporising its oceans.

Best from science journals: When the Sahara was green

Here are some of the most interesting research papers to have appeared in top science journals last week.

2 Russian crew do spacewalk at International Space Station

The two needed to get the space station ready.

IIT Ropar develops ‘AmbiTag’ to record real-time ambient temperature

Project Director Dr. Pushpendra P. Singh, said the device will be made available to all companies involved in COVID-19 vaccine transportation at a production cost of ₹400

New Zealand latest nation to sign space agreement with NASA

New Zealand said it's particularly interested in making sure that minerals taken from the moon or elsewhere in space are used sustainably.

Study blames climate change for 37% of global heat deaths

The highest percentages of heat deaths caused by climate change were in cities in South America.

Christie's to sell Isaac Newton's notes for greatest work

The document will go under the hammer at Christie’s in London on July 8.

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People get vaccinated during a vaccination drive at Palavakkam, Chennai on May 18, 2021.

101K | First death confirmed due to anaphylaxis following COVID-19 vaccination

Sulabh Srivastava

28K | Uttar Pradesh scribe who expressed threat to life by ‘liquor mafia’, dies in ‘road accident’

Security personnel keep watch outside the Wuhan Institute of Virology during the visit by the World Health Organization (WHO) team tasked with investigating the origins of the coronavirus disease (COVID-19), in Wuhan, Hubei province, China. File photo.

22K | Chinese scientist at center of coronavirus controvery breaks her silence

Relatives offer flowers and perform rituals at the grave of a person who died of COVID-19 at a crematorium on the outskirts of Hyderabad on May 23, 2021.

21K | Excess deaths in Hyderabad are 10 times the official COVID-19 toll for Telangana

A file photo of shops on S.P. Road closed, during the lockdown, in Bengaluru.

15K | Highlights of COVID-19 restrictions in Bengaluru effective for a week from June 14

Tanks pull back from the banks of Pangong Lake on February 10, 2021.

13K | A year after Galwan clash, China beefing up positions along LAC

A man reacts as he receives a shot of the AstraZeneca vaccine for COVID-19 during a mass vaccination for retail workers at a stadium in Jakarta, Indonesia, Tuesday, June 15, 2021.

12K | Two doses of AstraZeneca vaccine have 92% protection against hospitalisation with delta variant

Photo used for representation purpose only.

12K | Government report flags ‘lapses’ in Nagaland bat study

Anand took on Aamir, Arijit and Anany Birla, among others, in an online challenge organised by chess.com

11K | Chess fundraiser | Nikhil Kamath admits using computer in his win against Viswanathan Anand